JPH0928138A - Fertilizer applicator and fertilizer feed tank for applicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a high-efficiency fertilizer applicator and a fertilizer feed tank therefor to simultaneously carry out ground-boring work for boring holes in the ground into which a fertilizer is applied and fertilizer application work for applying the fertilizer into the ground holes. SOLUTION: This fertilizer applicator comprises, as main component, a hollow support column 12 that is formed long in vertical direction, and which is provided, at its bottom end, with a soil-scraping part 14 for preventing soil covering when the column is pulled up after the bottom end is pushed into the ground and is also provided, at a point near its top end, with an operating part 16 for making the soil-scraping part 14 carry out the soil-scraping action in interlock with the action of the soil-scraping part 14, thus performing the ground boring work and fertilizer application effectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fertilizer application work for agricultural work, and more particularly to a fertilizer application tool for additional fertilization work after transplanting seedlings or when plant seedlings are grown and harvested to some extent.

[0002]

2. Description of the Related Art Conventionally, when performing fertilization work, especially additional fertilization work, etc. in agricultural work, for example, a pair of two workers cooperate to dig a hole for fertilization with a hand shovel or the like, and It is usual that one person supplies the fertilizer in small portions from a bucket or the like, or one worker collectively digs the additional fertilizer holes and then collectively fertilizes them. In addition, recently, a method in which a hollow cylindrical tubular body is fixed to the lower end portion of the rod body and pushed down toward the soil requiring additional fertilization to excavate a hole for additional fertilization is also performed.

[0003]

However, when the work is performed in the conventional manner, the work is shared by two or more workers, or one work is performed by a plurality of workers. Either it is necessary to spend more than twice as much time as when performing the topdressing work, and in any case the work efficiency is poor and a lot of labor is required, or the work time is required and the cost is high due to personnel expenses. It was the cause. In addition, since it is necessary to perform the fertilization work even in the work posture during the topdressing work, fertilizing work in a vast field requires excessive fatigue for the worker and causes backache, which causes a great burden. Was there. Also, in the method of excavating a hole for additional fertilization by fixing a hollow cylindrical tubular body to the lower end of the rod body and pushing it down into the soil that requires additional fertilization, the soil scooping part into a cutter blade shape. Because the tip is formed,
There is a risk that the root of the crop may be cut or damaged during the soil scooping work, which hinders the healthy growth of the crop and thus reduces the commercial value. In addition, there is a risk that the tip of the soil scooping portion formed in the shape of a cutter blade may be cut off, or a small child or the like may be inadvertently touched and injured.

The present invention has been made in view of the above conventional problems, and does not cut or damage the roots of crops in order to save labor in fertilization work of agricultural work and to promote healthy growth of crops. To provide a fertilizer application.

[0005]

[Means for Solving the Problems] A pillar 12 vertically elongated and provided at the lower end of the pillar 12 to prevent soil from being covered when the lower end of the pillar is inserted into the soil and then pulled out. And a manipulating section 16 for performing a soil scooping operation of the soil scooping section 14, which is linked to the soil scooping section 14 at a substantially upper end portion of the column. Composed of.

Further, the soil scooping portion 14 is the pillar 1
The rocking body 20 may be provided so that the lower end thereof is sharpened in the longitudinal direction of 2, and is pivotally attached to the column 12.

The support column 12 is composed of a hollow cylindrical body 18, in which a connecting rod 22 is vertically arranged, and the upper and lower end portions of the connecting rod 22 are connected to the soil scraping section 14 and the operating section 16. It may be arranged to be linked.

The operating portion 16 is the hollow cylindrical body 18
Slot-like notch 23 provided near the upper part of the
In addition, a lever portion 24 formed by bending the tip of the connecting rod 22 from the hollow inner side may be provided.

A grip portion 32 may be formed near the lower side of the lever portion 24.

Further, the column 12 may be provided with a step portion 34 which is projected from the outer peripheral side in the radial direction.

A storage portion 38 is formed in the hollow inside of the support column 12, and an upper side wall of the support column 12 is
An injection hole 36 communicating with the hollow portion of the cylindrical body is opened, and a lower end of the support column 12 is a lower opening 4 continuous to the inside of the hollow.
It may be configured to include 0.

Further, the soil scooping portion 14 has a lower opening 40 formed in an oblique cut-off shape so as to form a substantially oval shape in an end view at the lower end of the column 12, and the lower end portion of the column for opening and closing the opening. It may be provided with a valve body 42 pivotally attached to the near edge.

Further, at the edge of the injection hole 36, a pan 44 may be provided so as to intersect with the longitudinal direction of the column.

A fertilizer supply tank device 46 used in a fertilizer application, which is a tank portion 48 carried by an operator.
And a supply hose portion 50 having an opening / closing portion at an end thereof, which is connected to the inside of the tank portion 48 for communication.

A flexible tube 52 may be provided on at least a part of the supply hose section 50.

The supply hose portion 50 has a first cylinder 54 connected to its end and a second cylinder 56 slidably mounted on the first cylinder 54. , A communication opening 58 provided at an arbitrary slide stop position of the second cylinder
May be provided.

Further, the first cylinder 54 and the second cylinder 56 may be provided with a return mechanism 70 on their slide portions.

[0018]

In the fertilizer applicator according to the first aspect of the present invention, the pillar vertically formed and the lower end of the pillar are provided. When the lower end of the pillar is stabbed in the soil, the soil is covered with the soil. And a scooping part for preventing the scooping up, and an operation part for performing a scooping operation of the scooping part, which is linked to the scooping part and is provided at a substantially upper end of the column. Since the soil scooping operation of the soil scooping part, which is the part to be inserted into the soil, is performed by operating the operation part provided at the upper part of the support pillar, for example, the additional fertilization work is continuously performed in the standing posture. It will be. The soil will not be covered by the soil scraping part even if the pillar is pierced into the soil continuously.

In the fertilizer applicator according to a second aspect of the present invention, the soil scooping portion is provided such that its lower end is sharpened with respect to the longitudinal direction of the column, and the rocking body is pivotally mounted on the column. ing. Since the lower end of the pillar is sharpened, it can be lightly inserted into the soil. Since the rocking body penetrates into the soil to form a hole while forming a dot or a line through the soil and gradually expanding the soil to form a hole, the root of the growing plant is less likely to be damaged.

In the fertilizer applicator according to a third aspect of the present invention, the support column is made of a hollow cylindrical body, and a connecting rod is vertically arranged in the hollow portion, and upper and lower end portions of the connecting rod are the soil scooping portion and the soil scooping portion. The soil scooping operation of the soil scooping portion is performed in association with the operation unit. By arranging the connecting rod, the movement of the operation part can be transmitted to the soil scooping part, so that the operation part can be operated while standing up and the soil scooping part in the soil can perform the scooping operation. it can.

In the fertilizer applicator according to a fourth aspect of the present invention, the operating portion is a slotted notch provided near the upper portion of the tubular body, and the tip of the connecting rod is bent and protruded from the hollow inside to the notch. It has a formed lever portion. Since the lever portion projects from the long hole-shaped cutout, the lever portion can be moved within the long hole-shaped cutout, and the soil scooping part can perform the soil scooping operation via the connecting rod. it can. At the time of manufacturing, the rod body can be easily mass-produced simply by bending the rod body in an inverted L shape.

In the fertilizer applying apparatus according to the fifth aspect, a grip portion is provided near the lower side of the lever portion. Since it is possible to grasp the lever portion and the grip portion with one hand, it is possible to operate the operation portion with one hand to cause the soil scooping portion at the lower end of the column to perform the soil scooping operation via the connecting rod.

In the fertilizer applicator according to a sixth aspect of the present invention, the strut is provided with a stepped portion that projects radially from the outer peripheral side. By adding weight to the stepped portion with one foot of the operator, the sharpened lower end of the pillar can be easily inserted into the soil.

In the fertilizer appli- cation according to claim 7, a storage portion is formed inside the hollow of the support column, and an injection hole communicating with the hollow cylindrical portion is opened in the upper side wall of the support column. The lower end of the pillar is provided with a continuous lower opening inside the hollow. With the hollow inside of the support as a storage part, granular or powder fertilizer can be introduced from the injection hole, and soil fertilization action and fertilization work can be performed at the same time.

In the fertilizer applicator according to an eighth aspect, the soil scooping portion has the lower opening formed in an oblique cut-off shape so as to form a substantially oval shape in an end view at the lower end of the column,
A valve element pivotally attached to the lower edge of the column is provided to open and close this opening. The valve element provided at the lower end of the strut can be opened and closed by the valve element pivotally attached to the edge near the lower end of the strut when the strut is pulled up by the amount of opening and closing of the valve element. In the soil scooping operation of the valve body, hole formation and fertilization are performed simultaneously and smoothly in a series of operations.

In the fertilizer applicator according to a ninth aspect, a saucer portion is projected at the injection hole edge portion so as to intersect with the longitudinal direction of the column. When the fertilizer is injected, the fertilizer is simply dropped by dropping the fertilizer into the tray, and the fertilizer is stored in the storage section provided inside the hollow support column which is injected by the injection hole.

A fertilizer supply tank device according to a tenth aspect of the present invention is the fertilizer supply tank device used in the fertilizer application according to any one of the seventh to ninth aspects, in which a tank portion carried by an operator and this tank are provided. It is provided with a supply hose part which is connected to the inside of the part and has an opening / closing part at its end. The fertilizer stored in the tank is supplied to the tray tray by the opening / closing part of the supply hose. Fertilizer is appropriately supplied from the supply hose into the column to continuously apply fertilizer.

In the fertilizer supply tank device according to an eleventh aspect of the present invention, a flexible tube is provided on at least a part of the supply hose portion. Fertilizer can be easily put into the injection hole even when the supply hose is held at various angles and positions with respect to the tank.

In the fertilizer supply tank device according to the twelfth aspect, the supply hose includes a first cylinder connected to an end of the supply hose and a second cylinder slidably fitted in the first cylinder. It also has a communication opening provided at any slide stop position of the first and second cylinders. When the second cylinder is slid, the communication openings of the two are matched and opened, and the fertilizer stored in the fertilizer supply tank device is supplied to the tray portion of the support. When the fertilizer stored in the support column is low, the communication opening is opened by sliding the second cylinder, and the fertilizer is repeatedly supplied into the support column.

In the fertilizer supply tank device according to a thirteenth aspect, the first and second cylinders are provided with a return mechanism at their slide portions. The communication opening is not opened except when the fertilizer is supplied by the return mechanism provided in the first and second cylinders. The communication opening is opened carelessly during fertilization work, and the fertilizer is not sprinkled in useless places.

[0031]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. The present invention relates to a fertilizer application for continuously performing fertilizing work in a standing state without forcing an operator to perform work in an unreasonable posture during fertilizing work,
For example, eggplants are planted in the field from April to May, and the seedlings planted at this time grow from 1.5 meters to 2 meters in height from June to November during the harvesting season. Harvest is possible. At this time, additional fertilization is started from the harvest day, and thereafter, granular or liquid fertilizer is additionally fertilized at intervals of about 10 days. Therefore, it is necessary to perform additional fertilization work about 18 times in one harvest period. . In this way, when the worker continues the fertilization work for a long time continuously in the middle waist state, for example, if these works can be performed in the standing position, the whole fertilization work becomes extremely easy, It improves work efficiency.

1 to 2 show a fertilizer application tool 10 according to an embodiment of the present invention. As is clear from FIG. 1, the fertilizer applicator 10 is provided with a circular column 12 having a length of 1 meter to 1 meter and 50 cm, which is formed in the vertical direction, and a lower end of the column 12, and the lower end of the column is placed in the soil. And a soil scooping portion 14 for preventing soil from being covered when the soil scooping is carried out after being stabbed, and the soil scooping portion 14 is linked to the soil scooping portion 14 at a substantially upper end portion of the column 12. Part 1
An operation unit 16 for performing the soil scooping operation 4 is provided. As a result, the worker does not need to perform the fertilizing work in an unreasonable posture, and the work efficiency can be improved. In the embodiment, the column 12 has a circular shape,
This may be rectangular or any other cross-sectional shape.

The pillar 12 is made of a material such as metal or hard synthetic resin, and has a length of about 1 to 1.5 meters.
A hollow hollow cylinder 18 having a diameter of about 5 cm is formed, and at the lower end portion of the hollow cylinder body 18, as shown in FIG. 2, an earth scraping portion 14 having a sharpened lower end portion is provided. In this soil scooping section 14, a vertically long pillar 12 is stabbed into the soil, and an operator operates the upper end of the pillar 12 to continuously punch holes for topdressing while pulling and lifting the pillar 12. It prevents the soil around the hole from collapsing when pulling it out and closing the hole. In this embodiment, the soil scooping portion 14 has a shape obtained by cutting a circular cylindrical body in an oblique direction when viewed from the side surface, and has an elliptical shape when viewed from the front surface.

As shown in FIG. 2, the soil scooping portion 14 is provided so that the lower end portion thereof is sharpened with respect to the longitudinal direction of the support column 12, so that it can be easily stabbed into the soil, You can scrape the soil when you fried more deeply. Thereby, due to the action of the pointed surface provided obliquely in the process of inserting into the soil, the roots of the plants can be avoided and the holes for fertilization can be formed without damaging the roots.
Further, the support column 12 is provided with at least one swinging body 20 pivotally attached. The rocking body 20 may be rocked to the left or right or any other direction at the lower end of the pillar 12, whereby a rocking action is generated when the pillar 12 is lifted out of the soil, and the rocking body 20 moves into the hole in the soil. It is possible to prevent collapse and suffering.

The structure of the oscillating body 20 will be simpler if it is constructed so as to open in either direction by, for example, pivoting or the like at the lower end of the column. In the embodiment, as will be described later, the oscillating body 20 includes a plate-shaped valve body,
Is formed. In this embodiment, the support column 12 is formed in a hollow cylindrical shape. Connecting rod 2 inside this hollow
By arranging 2 and using the connecting mechanism stored therein, it can be prevented from being a hindrance when the lever portion 24 is operated, and the connecting mechanism is protected to improve durability.
Further, a storage portion 38, which will be described later, is formed inside the hollow, so that the perforation work at the time of additional fertilization can be performed simultaneously with the additional fertilization work and continuously.

In the present embodiment, the lower end of the column 12 made of a hollow cylinder is opened to form a lower opening 40.
Then, as shown in FIG. 2, the lower end portion of the hollow cylindrical body is formed in a shape such that the cylindrical body is cut off in an oblique direction. Therefore, the lower end of the column 12 has a sharpened shape when viewed from the side, and has an elliptical shape when viewed from the front.

The lower opening 40 is adapted to be opened and closed by a valve body 42 provided near the lower end of the column 12.
That is, the lower opening 40 is formed in an opening shape that serves as an elliptical cut, and the base thereof is pivotally attached to the upper edge side of the opening of the support column 12 to attach the oval valve body 42. As shown in FIG. 2, the opening 40 is opened and closed at the pivot portion. Then, when the valve body 42 closes the opening, the lower end of the column 12 becomes a so-called sharpened rod-like body, and when opened, it performs a soil scooping action, and further performs a fertilizer feeding action described later. .

The oval valve body 42 is made of, for example, a metal plate, and the substantially central portion on the inner surface side of the valve body 42 has the connecting rod 2 formed therein.
A pivot portion 68 is provided so as to be pivotally connected to the lower end portion of 2. As a result, the operator pushes the sharpened lower end of the hollow column 12 with his / her foot using the stepping portion 34 provided in the vicinity of the lower portion of the hollow pillar 12, and then the valve body 42 is opened in the soil. By pulling up the support column 12 and pushing in the lever portion 24, the connecting rod 22 is interlocked downward, and the valve body 42 pivotally attached to the connecting rod 22 is opened downward.

At this time, the fertilizer introduced from the injection hole 36 is stored in the storage portion 38, and is discharged from the lower opening 40 by the valve opening action of the valve body 42 to be applied to the soil. Therefore, the operator can perform hole formation and fertilization at the same time and smoothly by this series of operations, so that workability can be improved, work time can be shortened, labor cost can be saved, and cost can be reduced. In the present embodiment, the valve element 42 is provided at one place, but a plurality of valve elements may be provided by providing the valve element in a double-door shape.

Then, the soil scraping section 14 is placed inside the hollow.
A connecting rod (described later) as a connecting mechanism between the operating section 16 and the operating section 16 is arranged. The column 12 may be a rod-shaped solid body instead of a hollow body. In that case, the coupling mechanism that links the soil scooping section and the operating section attaches a support member or the like to the outer surface side of this solid rod-like body and attaches a connecting rod so that it can move up and down, thereby linking the two. You may do it.
Further, the sharpened surface of the soil scraping section is provided as if the columnar body was cut in an oblique direction. However, in this case, the columnar body is cut into a V-shape or another shape. It may be sharpened.

In the embodiment, the pillar 12 is provided with a metallic connecting rod 22 having a diameter of about 5 mm to 10 mm arranged vertically in the hollow. And the connecting rod 22
The upper end of the above is linked to the operating part 16 and the lower end is linked to the soil scraping part 14 to function as a linking mechanism. Then, by operating the operating portion 16, the soil scooping operation of the soil scooping portion 14 is performed via the connecting rod 22. Accordingly, by gripping the operating portion 16 in the standing position, the soil scooping operation can be continuously performed by the soil scooping portion 14 at the lower end of the column via the connecting rod 22. Therefore, by performing this during the operation of pulling out the columns 12, it becomes possible to ensure the feasibility of the work for forming the fertilizer application hole. In the embodiment, the connecting rod 22 is a rod, but it may be a chain or a chain.

The operating portion 16 is a hollow cylindrical body 18 and is provided with an elongated hole-shaped notch 23 vertically provided near the upper part thereof, and the notch 2
3 is provided with a lever portion 24 having a length of about 10 cm, which is formed by bending the upper end of the connecting rod 22 from the inner side of the hollow cylindrical body 18 to project in an inverted L shape, that is, the lever portion 24 is a circle. It is provided so as to project from the hollow cylindrical body 18 in the radial direction, and the slot portion of the notch 23 guides the lever portion 24 in the vertical direction.

Therefore, when the lever portion 24 is pushed in, the connecting rod 22 disposed inside the hollow interlocks downward to swing the swinging body 20 pivotally attached to the lower end of the column, and the soil scraping portion 14 It is possible to make the soil scooping motion. In the embodiment, as shown in FIG. 1, a lever portion 24 and a spring portion 3 are attached to a spring mounting portion 28 of an upper grip portion 26 provided on an upper portion of the column 12.
It is provided with a return mechanism for the lever portion 24 that is locked by 0. By this return mechanism, the soil scooping portion 14 can be returned to the state before the soil scooping operation during the soil scooping operation, and the soil scooping operation can be repeated. Rubber or other materials may be used in the return mechanism. Further, the lever portion 24 may be provided with a grip ball or a grip portion for easy grip.

In the embodiment, a grip portion 32 having a length of about 10 cm is provided at least at one location near the lower portion of the lever portion 24. The grip portion 32 is fixed to the pillar 12 by welding or the like, and protrudes in the same direction as the lever portion 24. Thus, when the lever portion 24 is operated in the vertical direction, the grip portion 32 and the lever portion 24 are gripped by the palm of one hand so as to wrap the grip portion 32, and when the grasping operation is performed, the connecting rod 22 is interlocked downward. , Strut 12
The rocking body 20 provided at the lower end of the rocking body is rocked downward. In addition, by opening the hand that has performed the grasping operation, the return mechanism of the spring 30 returns the lever portion 24 to the position before the grasping operation is started, whereby the connecting rod 22
Will be returned to the upper direction, and the oscillating body 20 will return to the original position.

That is, by repeating the grasping operation of the lever portion 24, the oscillating body 20 provided at the lower end portion of the column 12 is oscillated, and a series of operations can be performed with one hand. . In the example,
As shown in FIG. 1, the grip portion 32 is provided near the lower portion of the lever portion 24, but it may be provided near the upper portion of the lever portion 24. In this case, the lever portion 24 is provided more than the grip portion 32. By performing the pulling up operation, it is possible to achieve the same effect as the series of operations. Further, the grip portion 32 may be provided with a grip ball at the tip thereof or a grip portion on the grip portion main body 32 for easy grip.

At a position closer to the lower end of the column 12, a stepping portion 34 is formed in a direction intersecting the longitudinal direction of the column (for example, about 20 cm above the lower end) and in the radial direction of the column.
Are protrudingly fixed. In the embodiment, the stepping portion 34 is projected to have a length of about 10 cm, for example.
It is fixed by welding. Thus, when the worker concentrates his / her weight on one of the feet on the stepped portion 34, the load concentrates on the sharpened lower end of the pillar, whereby the lower end of the pillar can be stabbed in the soil. Therefore, the rocking body 20 can be easily stepped into the soil and buried. Therefore, the labor required for the work can be reduced and the workability can be improved.

In the embodiment, as shown in FIG. 1, the stepped portion 34 is provided so as to project in one of the lower end portions in the direction intersecting with the column, which is a cross shape from the vertical direction of the column 12. It may be provided in a disk shape or other shape, and the attachment position may be provided at any position where the operator can easily work.

On the other hand, the hollow inside of the column 12 communicates with the lower opening 40 at the lower end, and the lower opening 40 is opened and closed by the valve body 42 as the rocking body 20.
A storage part 38 is formed in the hollow interior of 2 and functions as a primary storage chamber of powdered or granular additional fertilizer. That is, if the fertilizer is injected from the injection hole 36 described later with the valve body 42 closed, these fertilizers are temporarily stored in the storage section 38, and the valve 12 is opened when the pillar 12 is unloaded from the soil. If
At the same time as the soil is being scooped up, the required additional fertilizer is discharged from the opening 40 and fertilized in the soil.

A circular injection hole 36 having a diameter of about 3 cm is opened in the upper side wall of the column 12. The injection hole 36 is opened at a position approximately 90 degrees from each other by the lever portion 24 and the stepping portion 34, communicates with a storage portion 38 formed inside the support column, and the storage portion 38 also supports the storage portion 38.
2 communicates with the lower opening 40 at the lower end. As a result, when powder or granular fertilizer is put into the injection hole 36, the lower opening 40 provided at the lower end of the pillar 12 is closed when the opening of the oscillator 20 at the lower end of the hollow pillar 12 is closed.
Since it cannot be discharged from the inside, it is stored in the storage portion 38 provided inside the hollow column 12.

Further, by pushing the lever portion 24 in the operation portion 16 arranged on the upper portion of the support column 12 downward, the connecting rod 22 is interlocked downward and the rocking body 20 provided at the lower end portion of the support column 12 is operated. Is opened, and the fertilizer stored in the storage section 38 can be discharged. In the embodiment, as shown in FIG. 1, the injection hole is provided in the upper side wall of the hollow support column 12, but this may be provided, for example, at the upper end of the support column 12 or at any other position. Good.

At the edge of the injection hole 36, as shown in FIG. 2, a semi-cylindrical pan 44 is provided so as to intersect with the longitudinal direction of the column 12. The tray portion 44 is fixed to the pillar 12 by welding or other method. Therefore, when the fertilizer is dropped into the saucer portion 44, the fertilizer can be guided to the injection hole 36, and the fertilizer can be stored in the storage portion 38 formed inside the hollow column 12. Thus, when supplying the fertilizer into the hollow pillar, the worker can drop the fertilizer into the pouring hole 38 by simply dropping it into the tray 44, and since it does not spill in the vicinity, the fertilizer loss at the time of pouring can be minimized. can do. In this embodiment, the saucer portion 44 is projected from the edge portion of the injection hole 36 so as to intersect with the longitudinal direction of the column 12.
It may be provided in the shape of an inverted cone around the stanchion 12 or otherwise.

In use, the lower end of the hollow support column 12 is stepped on by the stepping portion 34 and stabbed in the soil, and the support column 12 is moved upward so that the valve element 42 provided at the lower end of the support column 12 opens. The lever portion 24 provided on the operation portion 16 is pulled up and operated. Then, the connecting rod 22 interlocks downwards, the valve body 42 pivotally attached to the lower end of the hollow pillar 12 opens, and the fertilizer is discharged from the lower opening 40 provided at the lower end of the pillar 12, and the soil Fertilize. As a result, the soil scooping work and the fertilizing work can be performed almost simultaneously.

At the end of the fertilizing work, the lever 24 is released, and the connecting rod 22 is pulled up by the action of the spring that is engaged between the upper grip 26 and the lever 24. The valve element 42 pivotally attached to the lower end of the column 12 closes. Therefore, the fertilizer stored in the storage unit 38 is not discharged even when the pillar is pulled out from the soil, and the series of operations for fertilizing work is completed.

By repeating the above operation near the root of the crop, it is possible to perform fertilization work quickly and efficiently while appropriately supplying fertilizer even in a vast field, thereby saving labor cost and cost. Become. Further, since the pillar 12 has a small diameter in the circular direction and can be pierced into a gap between crops, fertilizer can be easily fertilized even in a field where a crop is growing, and there is a risk of stepping on it with a foot or the like during fertilization work. Less damage to crops.

Next, an embodiment of a fertilizer supply tank device used when introducing fertilizer into the fertilizer application of the present invention will be described with reference to FIGS. 4 to 12. The same members as those in the above-mentioned embodiments are designated by the same reference numerals. Is attached and the description thereof is omitted. FIG.
The fertilizer supply tank device 46 is used to drop the fertilizer into the saucer portion 44, and the operator carries the fertilizer supply tank device 46 on his back or the like and attaches the supply hose portion 50 to the fertilizer supply tank device 46. The fertilizer for additional fertilization is supplied to the hollow inside of the fertilizer application device 10 while gripping. That is, the worker needs to supply fertilizer to the storage section 38 provided inside the hollow support column 12 by some method,
Therefore, in this embodiment, as shown in FIG. 4, a fertilizer supply tank device 46 storing fertilizer is carried on the back and the fertilizer is appropriately supplied.

In the present embodiment, the fertilizer supply tank device 46, as shown in FIGS. 5, 6, 7 and 8, is a tank portion 48 made of a bag material such as hard synthetic resin or cloth.
And a supply hose portion 50 communicating with the tank portion 48. The tank portion 48 is a hollow polyethylene tank or the like and is lightweight. At the upper part of the tank portion 48, a fertilizer inlet 62 for granules and the lid 6 thereof are provided.
0 is provided. Further, a cushion 66 and a shoulder belt 64 are provided on the surface supported by the worker, and a supply hose portion 50 having an opening / closing portion is connected to the lower portion of the tank portion 48 so as to communicate therewith. As a result, the worker carries the fertilizer supply tank device 46 storing the fertilizer and opens the opening / closing part of the supply hose part 50 connected in communication in the tank part 48 to drop the fertilizer into the saucer part 44, Injection hole 36
Can be placed in the storage column 38 in the hollow column 12.
The fertilizer can be stored in the. Therefore, since the worker does not have to interrupt the fertilization work for supplying the fertilizer by carrying the fertilizer supply tank device 46 that stores the fertilizer, the fertilization work can be performed quickly even in a vast field. .

Further, as shown in FIGS. 5, 6, 7 and 8, the fertilizer supply hose portion 50 connected to the pivot portion 68 is provided in the lower portion of the tank portion 48. A flexible tube 52 having a length of about 50 cm is used and connected to a part of the supply hose portion 50. Thereby, even if the supply hose portion 50 is held at various angles and positions with respect to the tank portion 48, it can be easily performed.
The fertilizer can be smoothly introduced into the injection hole 36 provided in the column 12. Therefore, it is not necessary to take an unreasonable posture during the fertilizer supply work, and there is no fear of spilling the fertilizer.

As shown in FIGS. 9 and 10, the supply hose portion 50 has a first cylinder 54 made of hard synthetic resin or metal at its tip, and a first cylinder 54 slidably fitted in the first cylinder 54. It has two cylinders 56, and a communication opening 58 is provided at an arbitrary slide stop position of the first cylinder 54 and the second cylinder 56. As a result, when the second cylinder 56 is slid as shown in FIGS. 11 and 12, the communication opening 58 of the first cylinder 54 and the second cylinder 56 is coincidently opened, and the tray portion 44 provided on the support column 12 is opened. Fertilizer can be dropped and supplied. Therefore, the fertilizer can be quickly supplied, and there is no fear that the fertilizer will overflow into the tray portion 44 and be excessively supplied. In this embodiment, the first cylinder 54 having the communication opening 58 and the second cylinder 56 are slid to supply the fertilizer by dropping, but a valve body or other mechanism may be used for this.

A return mechanism 70 having a pulling action is provided on the slide portions of the first cylinder 54 and the second cylinder 56.
As a result, the second cylinder 56 is always pulled and fixed to the first cylinder 54 side, so that the communication opening 5 is carelessly applied during fertilization work.
8 can be prevented from being opened, and the amount of fertilizer dropped and supplied from the communication opening 58 can be adjusted by adjusting the sliding amount of the second cylinder 56. Although rubber is used for the return mechanism 70 in the embodiment, it may be a spring or other mechanism.

The operator carries the fertilizer supply tank device 46 storing fertilizer and slides the second cylinder 56 provided at the tip of the supply hose portion 50 toward the supply hose portion 50 side to move the first cylinder and the second cylinder. The communication openings of the cylinders are matched and the fertilizer stored in the tank portion 48 is discharged from the cylinder tip. At this time, the fertilizer is received by the tray portion 44 provided on the side wall of the column 12 of the fertilizer application 10, guided to the injection hole 36, and stored in the storage section 38 provided inside the hollow column 12. It Therefore, the operator is required to apply the fertilizer application 1
When the fertilizer is supplied to 0, the fertilizer supply tank device 46 carried by the operator himself can be used to appropriately supply fertilizer without interrupting the fertilizer application, and the fertilizer can be efficiently applied even in a vast field. It will be possible.

[0061]

As described above, according to the fertilizer applicator of the first aspect, the pillar vertically elongated and the lower end of the pillar are provided, and the lower end of the pillar is pierced into the soil.
And a soil scooping portion for preventing soil from being covered when pulling out the soil, and a substantially upper end of the pillar is linked to the soil scooping portion to perform a soil scooping operation of the soil scooping portion. Since it has an operation part for, the bottom end of the pillar can be pierced into the soil and the soil can be scraped when pulling it out, so the lower end of the pillar can be sharpened, and this makes it possible to It becomes difficult to destroy or cut off the root. Therefore, the work efficiency in fertilization is improved, and the root part of the plant necessary for fertilization is not damaged.

According to the fertilizer applicator of the second aspect, the soil scooping portion is provided such that the lower end thereof is sharpened in the longitudinal direction of the column, and the rocking member pivotally attached to the column. Since the lower end of the pillar is pierced into the soil in the shape of a dot or a line, it penetrates into the soil and gradually expands the soil to form a hole while proceeding, so for example, a circular cutter Compared to blades, fertilizer application holes can be formed without damaging the roots of growing plants. Therefore, since the root portion is less likely to be damaged, the drilling operation itself can be continuously and quickly performed, and the force required for piercing into the soil can be reduced, so that the work efficiency of the entire fertilization operation can be improved.

According to the fertilizer applicator of the third aspect, the support column is made of a hollow cylinder, and the connecting rod is vertically arranged in the hollow portion, and the upper and lower ends of the connecting rod are scooped up by the soil. Since the soil scooping operation of the soil scooping section is performed in cooperation with the operation section and the operation section, by gripping the operation section in the upright position, the soil scooping section can scoop up the soil through the connecting rod. The operation can be performed, and by performing this during the operation of lifting and lowering the support, it is possible to ensure the workability of the work for forming the hole for fertilization. Further, since the support column is a hollow cylindrical body, it becomes possible to dispose a connecting rod for linking the operation section and the soil scooping section inside the hollow.

According to another aspect of the fertilizer applicator of the present invention, the operating portion is a slotted notch provided near the upper portion of the tubular body, and the tip of the connecting rod is bent and protruded from the hollow inside to the notch. Since it includes a lever portion formed by doing so, by operating this lever portion, it is possible to cause the soil scooping portion provided at the lower end of the strut via the connecting rod to perform a soil scooping operation, Enables continuous topdressing work in the
There is no need to perform work in an intermediate posture like bending down,
The labor can be significantly reduced.

Further, according to the fertilizer applicator of the fifth aspect, since the grip portion is provided near the lower side of the lever portion,
When operating this lever part, by wrapping the grip part and the lever part with the palm of one hand, the soil scooping operation can be repeated with one hand, which results in the burden on the operator. Can be made lighter and work efficiency can be improved. Also, since the lever operation itself can be operated with one hand attached to this grip, it is easy to operate.

Further, according to the fertilizer applicator of the sixth aspect, since the pillar is provided with the stepped portion which is projected in the radial direction from the outer peripheral side, the worker can step on the stepped portion at the time of working. With the weight of the worker, the sharpened tip provided at the lower end of the pillar can be pierced into the soil, whereby labor can be saved and work efficiency can be improved.

Further, according to the fertilizer applicator of the seventh aspect, a storage portion is formed inside the hollow of the pillar, and an injection hole communicating with the cylindrical hollow portion is opened in the upper side wall of the pillar. In addition, since the lower end of the pillar is provided with a continuous lower opening inside the hollow, the hollow inside of the pillar can be used as a storage part and granular or powder fertilizer can be introduced from the injection hole, and soil fertilization and fertilization can be performed at the same time. Not only can work be performed, but also the amount of fertilizer input can be easily controlled, and if this storage part is provided in the upper position, the input work can be easily performed by adapting to the standing posture.

Further, according to the fertilizer applicator of the eighth aspect, the soil scooping portion has the lower opening formed in an oblique cut-off shape so as to form a substantially egg shape in an end view at the lower end of the column,
Since a valve element pivotally attached to the lower edge of the column for opening and closing the opening is provided, during the soil scooping operation of this valve element, hole formation and fertilization are performed simultaneously and in a series of operations. It can be carried out smoothly, and work efficiency can be improved, work time can be shortened, labor cost and cost can be reduced.

Further, according to the fertilizer applicator of the ninth aspect, since the saucer portion is projected at the edge of the injection hole so as to intersect with the longitudinal direction of the column, when the fertilizer is injected, the saucer is received. Simply by dropping the fertilizer inside, the fertilizer is stored in the storage portion that is injected by the injection hole and is provided inside the hollow pillar. Therefore, when the worker supplies fertilizer into the hollow pillar, the manure can be supplied in a short time by using the tray, and since the manure is not spilled around, the fertilizer loss at the time of injection can be reduced.

According to a tenth aspect of the fertilizer application, the fertilizer supply tank device used in the fertilizer application according to any one of the seventh to ninth aspects is provided, in which a tank portion carried by an operator and this tank are provided. Since it has a supply hose part that is connected to the inside of the part and has an opening and closing part at the end, the worker uses the supply hose part that carries the tank part storing fertilizer and is connected to the inside of the tank part. Thus, the fertilizer can be stored in the storage portion in the column and the fertilizing work can be performed, and by repeating this operation arbitrarily, the fertilizing work can be efficiently performed in a vast field in a short time.

Further, according to the fertilizer supply tank device of the eleventh aspect, since the flexible tube is provided in at least a part of the supply hose portion, various supply hose portions can be provided to the tank portion as necessary. It can be easily performed even when held at the angle or position, and the fertilizer can be smoothly put into the injection hole. That is, the supply hose can be brought to any position of the worker. Therefore, it is not necessary to take an unreasonable posture during the fertilizer supply work, and there is no fear of spilling the fertilizer.

Further, according to the fertilizer applicator of the twelfth aspect, the supply hose portion includes a first tube connected to the end of the supply tube and a second tube slidably fitted in the first tube. Since the first and second cylinders are provided with the communication openings provided at arbitrary slide stop positions, when the second cylinder is slid, the communication openings of the first cylinder and the second cylinder are coincident with each other, and the tray is opened. The fertilizer can be easily and efficiently supplied to the department.

According to the fertilizer applicator of the thirteenth aspect, since the first and second cylinders are provided with the return mechanism at the slide portions thereof, it is possible to prevent the communication opening from being opened carelessly during the fertilizer application. Moreover, by adjusting the slide amount of the second cylinder, it is possible to adjust the amount of fertilizer dropped and supplied from the communication opening. Therefore, the fertilizer can be supplied quickly, and there is no fear that the fertilizer will overflow into the tray part and be excessively supplied.

[Brief description of drawings]

FIG. 1 is an overall perspective view of a fertilizer application tool.

FIG. 2 is a vertical sectional view of a fertilizer application device.

FIG. 3 is an explanatory view showing an operating state of the fertilizer application tool.

FIG. 4 is an explanatory diagram showing a usage state of a fertilizer application device and a fertilizer supply tank device used for the fertilizer application device.

FIG. 5 is an overall perspective view of a fertilizer supply tank device.

6 is a sectional view of the fertilizer supply tank device of FIG. 5 in a direction perpendicular to the cushion.

FIG. 7 is an overall perspective view of another example of a fertilizer supply tank device.

8 is a sectional view of the fertilizer supply tank device of FIG. 7 in a direction parallel to the cushion.

FIG. 9 is an enlarged sectional view of a main part of the fertilizer supply tank device.

FIG. 10 is an enlarged explanatory view of a main part of the fertilizer supply tank device.

FIG. 11 is an explanatory diagram of a fertilizer application device and a fertilizer supply tank device used for the fertilizer application device.

FIG. 12 is an explanatory diagram of fertilizer application and a fertilizer supply tank device used for the fertilizer application when fertilizer is supplied.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Fertilizers 12 Struts 14 Soil scooping part 16 Operation part 18 Hollow cylindrical body 20 Oscillating body 22 Connecting rod 23 Notch 24 Lever part 32 Grip part 34 Stepping part 36 Injection hole 38 Reservoir 40 Lower opening 42 Valve body 44 Saucepan part 46 Fertilizer supply tank device 48 Tank part 50 Supply hose part 52 Flexible tube 54 First cylinder 56 Second cylinder 58 Communication opening 70 Return mechanism

Claims (13)

[Claims] 1. A vertical support pillar, and a soil scooping portion provided at the lower end of the support pillar to prevent the soil from being covered when the lower end of the support pillar is stabbed into the soil and then pulled out. A fertilizer applier that comprises: and an operating portion that is associated with the soil scooping portion and that is used for performing a soil scooping operation of the soil scooping portion, at an approximately upper end portion of the pillar. 2. The fertilizer application method according to claim 1, wherein the soil scooping portion is provided so that a lower end portion thereof is sharpened with respect to a longitudinal direction of the column, and further comprises an oscillating body pivotally attached to the column. Ingredient 3. The pillar comprises a hollow cylindrical body, and a connecting rod is vertically arranged in the hollow portion, and the upper and lower end portions of the connecting rod are linked to the soil scooping portion and the operating portion to form the soil. The fertilizer applicator according to claim 1 or 2, wherein a soil scooping operation of the scooping portion is performed. 4. The operating portion includes a slotted cutout provided near the upper portion of the tubular body, and a lever portion formed by bending the tip of the connecting rod into the cutout from the hollow inner side. The fertilizer application tool according to claim 3. 5. The fertilizer applicator according to claim 4, wherein a grip portion is provided near a lower side of the lever portion. 6. The fertilizer applicator according to claim 1, wherein the strut is provided with a stepped portion which is protruded from an outer peripheral side in a radial direction. 7. A storage portion is formed in the hollow inside of the pillar, and an injection hole communicating with the cylindrical hollow portion is opened in an upper side wall of the pillar, and a lower end of the pillar is hollow inside. The fertilizer application according to any one of claims 3 to 6, further comprising a continuous lower opening. 8. The soil scooping portion has a lower opening formed in a diagonal cut-off shape so as to form a substantially oval shape in an end view at the lower end of the pillar, and the lower edge of the pillar near the edge for opening and closing the opening. The fertilizer applicator according to any one of claims 3 to 7, further comprising a pivotally attached valve body. 9. A receiving tray portion is projected from the injection hole edge portion so as to intersect with the longitudinal direction of the column.
Fertilizer described. 10. A fertilizer supply tank device for use in the fertilizer applicator according to any one of claims 7 to 9, wherein the fertilizer supply tank device is connected to a tank portion carried by an operator, and is connected to the inside of the tank portion to open and close the end portion. A fertilizer supply tank device for supplying fertilizer to a fertilizer applicator, which has a supply hose part having a section. 11. The flexible tube is provided on at least a part of the supply hose portion.
The fertilizer supply tank device described in 0. 12. The supply hose portion has a first cylinder connected to an end thereof and a second cylinder slidably fitted in the first cylinder, and the first and second cylinders are provided. The fertilizer supply tank device according to claim 10 or 11, comprising a communication opening provided at an arbitrary slide stop position of the cylinder. 13. The fertilizer supply tank device according to claim 12, wherein the first and second cylinders are provided with return mechanisms at their slide portions.